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Item # RTR000U

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  • Select options
  • Black, 110mm/170mm ($600.00)
  • Black, 110mm/172.5mm ($600.00)
  • Black, 110mm/175mm ($600.00)
  • Black, 110 MAS-170mm ($600.00)
  • Black, 110 MAS-172.5mm ($600.00)
  • Black, 110 MAS-175mm ($600.00)
  • Black, 130 MAS-170mm ($600.00)
  • Black, 130 MAS-172.5mm ($600.00)
  • Black, 130 MAS-175mm ($600.00)
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Item # RTR000U

Description

Bridge the gap with more power.

Rotor's 3D Road Cranks were originally developed with feedback from the Cervelo Test Team, and while the 3D Plus Cranks retain many of the same characteristics, such as Trinity drilled arms and compatibility with round or Q-Rings, they have a few differences that make them stand apart from their predecessor.

Like the originals, these cranks are lightweight and stiff — even more so than most carbon cranks on the market. To accomplish this, the 3D Plus Road Cranks use a new 7055 alloy, as well as Rotor's proprietary Trinity Drilling System. Using an end-drilling process, slightly different than in the 3D Road, the resulting structure is similar to that of a box-truss bridge. This allows the crank to further resist rotational and bending forces better than hollow-tube construction. Through this same-end drilling process, they are able to relieve the 3D Plus arms of even more excess material, and therefore excess weight, while maintaining the rigidity and strength you need to keep all your power going directly to the pedals.

The 30mm alloy spindle is sized to work with either BB Right or BB30 standards. Rotor includes the appropriate fittings for both systems. In fact, with the proper Rotor bearing cups (BB30-BSA), the 3D Plus Cranks can be used in a standard 68mm English-threaded or Italian-threaded bottom bracket shell. In any application, Rotor's clever design and machine work is evidenced by their use of a locking preload collar that makes bearing adjustment a breeze once the crankarms are installed and torqued to spec. This preload collar is another difference from the standard 3D Road Cranks as they use a different system to connect it all together.

The Rotor 3D Plus Road Crankarms come with an anodized black finish and are available in three crankarm lengths — 170, 172.5, and 175mm. Select from two BCD/chainring options: 110mm for compact 50/34 or 130mm for standard 53/39. The alloy spider attaches to the splined base of the drive-side crankarm and is secured with a lockring. It can be removed and swapped for another with a different BCD should you need to make the switch from compact to standard gearing or vice-versa. This same adaptability allows retrofits with crank spider-based powermeters such as SRM or Quarq. It can also fitted with Q-Rings or Rotor's round chainrings. he 3D Plus Cranks have a 147mm Q-factor.

Tech Specs

Arm Material:
7055 alloy
Arm Length:
170 mm, 172.5 mm, 175 mm
Bolt Circle Diameter:
110 mm, 130 mm
BB Type:
BB30, BBRight
Bolts:
included
Rings:
[not included] 0
Spindle:
30mm
Compatible Components:
SRAM, Quarq, BB30, BBRight, English
Recommended Use:
road cycling
Manufacturer Warranty:
1 year
Actual Weight:
Black, 110mm/175mm: 480g

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Rotor 3D Plus Road Crankarms

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Here's what others have to say...

Do you know when you will have the 2014...

Do you know when you will have the 2014 crankset in stock?

Responded on

These look like the 2014. I saw these on some Ibis hakkalugi cross bikes at the boulder cup few weeks ago; ridden by the vanderkitten cx women's team. Looked great.

These look like the 2014. I saw these on some Ibis hakkalugi cross bikes at the boulder cup few weeks ago; ridden by the vanderkitten cx women's team. Looked great.